The great and the Good continued: Page 12.


Chemical Manufacturers A to F

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Hall of Fame.

 

Gases

Classification of Matter (Larry Gladney, University of Pennsylvania)
The classification of matter is outlined. Concrete examples of the Law of Definite Proportion are provided. The second part of the article uses the measurement of gas pressure as an example of physical properties; gas law relationships are explored with Maple exercises. Part of Gladney's Math as a Second Language online textbook.
http://www.physics.upenn.edu/courses/gladney/mathphys/java/sect1/subsubsection1_1_3_1.html (9/19/98)

Densities of gases (Bob Hamre)
Table of densities of common gases at STP in g/L and in lbs/ft^3^, taken from Perry's Chemical Engineering Handbook.
http://gate.cruzio.com/~rhamre/Alchemy/Gas_Density.htm (01/20/99)

Gas Laws (Ohio State University)
A virtual lecture on empirical gas laws that includes Shockwave audio narration and a Java applet that shows how changing volume and temperature affects molecular motions.
http://chemistry.ohio-state.edu/betha/nealGasLaw/index.html (10/10/98, revised 11/19/98)

Ideal Gas Law Demonstrations (Dept. of Physics, University of Oregon)
Outlines for 17 demonstrations focusing on ideal gas behaviors, including the Fire Syringe, Ruchart's tube, Marshmallow in a Vacuum, Ice Melting Wire, and more.
http://guernsey.uoregon.edu/~phdemo/demo/Thermodynamics/therm-Ideal.html (10/03/98)

Kinetic Theory (Julio Gea-Banacloche, University of Arkansas)
A Java applet that simulates a two dimensional gas. The molecules start out with equal velocities; as the number of collisions increases, the velocity distribution approaches the Boltzmann distribution.
http://comp.uark.edu/~jgeabana/mol_dyn/KinThI.html

Microscale Gas Production (Bruce Mattson, Creighton University)
A safe and reliable method for generating gases using 60-mL disposable syringes is used in over a hundred microscale experiments outlined on these pages. Procedures and materials for generation of CO2, H2, O2, N2, nitrogen oxides, NH3, H2S, SO2, halogens, HCl, and CO are described.
http://mattson.creighton.edu/Microscale_Gas_Chemistry.html (5/5/99)

Scuba Diving Explained (Lawrence Martin)
Dr. Lawrence Martin's book "Scuba Diving Explained" uses fundamental chemical principles (like the gas laws) to explore the physiological and medical aspects of diving. The book is pitched for a nontechnical audience and is available in its entirety online. Dr. Martin answers questions about the concept of pressure, composition of air, changes in gas pressures with depth, air embolism, decompression sickness, nitrogen narcosis, oxygen toxicity, carbon monoxide and carbon dioxide toxicity, and oxygen therapy, and more.
http://www.mtsinai.org/pulmonary/books/scuba/welcome.htm (12/12/99)

Scuba Physics (aquaholic.com)
A discussion of buoyancy and gas laws in the context of scuba diving.
http://www.aquaholic.com/gasses/laws.htm

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